A271579 Magic sums of 4 X 4 magic squares composed of triangular numbers.

1402, 1912, 2162, 2164, 2422, 2612, 3362, 3512, 3737, 3952, 4207, 4257, 4322, 4462, 4887, 4972, 5312, 5362, 5442, 5466, 5482, 5593, 5986, 5992, 6162, 6337, 6438, 6532, 6662, 6747, 6792, 6887, 6974, 6987, 7112, 7177, 7437, 7507, 7662, 7975, 8032, 8222

Offset: 1

Author

Arkadiusz Wesolowski, Apr 10 2016

Keywords

• nonn

Examples

			Examples of 4 X 4 magic squares composed of triangular numbers.
.
|----|----|----|----|
| 66 |  1 | 300|1035|
|----|----|----|----|
| 465| 630| 171| 136|
|----|----|----|----|
| 780| 105| 496| 21 |
|----|----|----|----|
| 91 | 666| 435| 210|
|----|----|----|----|
The magic constant is 1402 = a(1).
.
|----|----|----|----|
|  1 | 45 | 435|1431|
|----|----|----|----|
| 300|1326| 276| 10 |
|----|----|----|----|
|1596| 190| 120|  6 |
|----|----|----|----|
| 15 | 351|1081| 465|
|----|----|----|----|
The magic constant is 1912 = a(2).
		

Links

• Index entries for sequences related to magic squares

Crossrefs

Cf. A000217, A271580, A271711. Subsequence of A271581.